Definition of Modulation

1. Noun. A musical passage moving from one key to another.

Exact synonyms: Transition
Generic synonyms: Musical Passage, Passage
Derivative terms: Modulate

2. Noun. (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase.
Category relationships: Electronics
Generic synonyms: Transmission
Specialized synonyms: Am, Amplitude Modulation, Fm, Frequency Modulation, Phase Modulation, Pm, Pulse Modulation
Derivative terms: Modulate

3. Noun. Rise and fall of the voice pitch.
Exact synonyms: Intonation, Pitch Contour
Generic synonyms: Inflection, Prosody
Specialized synonyms: Intonation Pattern, Drone, Droning, Monotone, Singsong
Derivative terms: Intonate, Intonate, Intone, Intone, Modulate

4. Noun. A manner of speaking in which the loudness or pitch or tone of the voice is modified.
Exact synonyms: Inflection
Generic synonyms: Delivery, Manner Of Speaking, Speech
Derivative terms: Inflect, Modulate, Modulate

5. Noun. The act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect).
Generic synonyms: Alteration, Revision
Derivative terms: Modulate

Definition of Modulation

1. n. The act of modulating, or the state of being modulated; as, the modulation of the voice.

Definition of Modulation

1. Noun. The process of applying a signal to a carrier, modulating. ¹

2. Noun. Methods of modulating. ¹

¹ Source:

Definition of Modulation

1. [n -S]

Medical Definition of Modulation

1. Alteration in the effectiveness of voltage gated or ligand gated ion channels by changing the characteristics of current flow through the channels. The mechanism is thought to involve second messenger systems. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Modulation

modulation (current term)
modulation transfer function
modulus of elasticity

Literary usage of Modulation

Below you will find example usage of this term as found in modern and/or classical literature:

1. Measurements for Competitiveness in Electronics (1994)
"modulation and Impulse Quantities Most laser diodes presently in service in optical-fiber communications systems are directly modulated to place information ..."

2. Technical Digest edited by G. W. Day, D. L. Franzen, P. A. Williams (1999)
"One technique which is well suited to narrowband measurements of PMD is the modulation phase shift technique (MPS). While the concept is not new [1-4], ..."

3. Manual of Harmony: A Practical Guide to Its Study Prepared Especially for by Ernst Friedrich Richter, Alfred Richter (1912)
"CHAPTER XVI The Means Employed in modulation The meaning of the term modulation was ... It was then our object to define each modulation correctly. ..."

4. A Treatise on Harmony: With Exercises by Joseph Humfrey Anger, Henry Clough-Leighter (1919)
"modulation may be defined as the art of passing from one key into another. ... When the new key is one of the attendant keys (see §54), the modulation is ..."

5. The Theory and Practice of Musical Form: On the Basis of Ludwig Bussler's by John Henry Cornell, Ludwig Bussler (1883)
"To any one who has studied harmony, modulation in any form can, of course, ... Exercises in modulation can, therefore, at this advanced stage of our study, ..."

6. Elson's Music Dictionary: Containing the Definition and Pronunciation of by Louis Charles Elson (1905)
"modulation. A transition of key ; going from one key to another, ... As applied to the voice, modulation means to accommodate the tone to a certain degree ..."

7. Exercises in Melody-writing: A Systematic Course of Melodic Composition by Percy Goetschius (1900)
"A number of 4 and 8-measure melodies, illustrating this device of chromatic modulation. Begin in major and minor alternately; all species of Measure (2/4 up ..."

8. Advanced Ear-training and Sight-singing as Applied to the Study of Harmony by George Anson Wedge (1922)
"LESSON 17 modulation to the Dominant Key and back is by the V7 or a common ... The same type of modulation is made from G back to C in the second phrase. ..."

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